The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Montrose you can estimate when it's a good idea to plant torenia by looking at the USDA zone info.

Planting Calendar for Torenia

Frost tolerance for torenia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since torenia require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant torenia in Montrose is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant torenia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your torenia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your torenia indoors.

Last Frost Date

In Montrose the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Montrose may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Montrose you get a frost after April 15 so make sure that you are prepared to protect your torenia in the event of a late frost.

USDA Zone Info for Montrose

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Montrose

You may be interested in your other planting guides for Montrose.